Revert "package/x11r7/xserver_xorg-server: dri needs arm >= v6"

This reverts commit 7bac31ceea1b52986b1773a1bd4841110672f923.

This commit is no longer needed, since libdrm no longer needs arm >=
v6 support thanks to the fix to the CAS implementation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/x11r7/xserver_xorg-server/xserver_xorg-server.mk

@@ -130,8 +130,7 @@ else # modular
 XSERVER_XORG_SERVER_CONF_OPTS += --disable-kdrive --disable-xfbdev
 endif
 
-# libdrm locking macros use armv6+ instructions on arm
-ifeq ($(BR2_PACKAGE_MESA3D_DRI_DRIVER)n$(BR2_ARM_CPU_ARMV4)$(BR2_ARM_CPU_ARMV5),yn)
+ifeq ($(BR2_PACKAGE_MESA3D_DRI_DRIVER),y)
 XSERVER_XORG_SERVER_CONF_OPTS += --enable-dri --enable-glx
 XSERVER_XORG_SERVER_DEPENDENCIES += mesa3d xproto_xf86driproto
 else